Checking in changes prior to tagging of version 0.03.

Changelog diff is:

diff --git a/Changes b/Changes
index e70413d..c4bc44c 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,12 @@ Revision history for Perl extension Spica

 {{$NEXT}}

+0.03 2013-10-22T11:43:53Z
+
+    - to change the specifications of the trigger
+    - added module Spica::Event
+    - was deprecated in the add_trigger
+
 0.02 2013-10-19T10:46:24Z

     - fixed bugs